1 /*
2  * u_printer.h
3  *
4  * Utility definitions for the printer function
5  *
6  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
7  *		http://www.samsung.com
8  *
9  * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License version 2 as
13  * published by the Free Software Foundation.
14  */
15 
16 #ifndef U_PRINTER_H
17 #define U_PRINTER_H
18 
19 #include <linux/usb/composite.h>
20 
21 struct f_printer_opts {
22 	struct usb_function_instance	func_inst;
23 	int				minor;
24 	char				*pnp_string;
25 	bool				pnp_string_allocated;
26 	unsigned			q_len;
27 
28 	/*
29 	 * Protect the data from concurrent access by read/write
30 	 * and create symlink/remove symlink
31 	 */
32 	struct mutex			lock;
33 	int				refcnt;
34 };
35 
36 #endif /* U_PRINTER_H */
37